The verdict in three sentences
A corporate multi-site redesign has no catalogue price because the cost depends on the number of subsidiaries and the level of sharing, not on a page count. The real value is a shared foundation (design system + shared CMS) that makes each subsidiary rollout fast and consistent. For a group of 3 to 6 subsidiaries, the realistic 2026 envelope in the DACH market sits between EUR 60,000 and 180,000 over 4 to 8 months.
Why it is quote-based
Unlike a showcase site, a group project combines non-standardisable variables: number of subsidiaries, languages, integration depth (SSO, ERP), editorial governance and EU data residency. The quote is built brick by brick, with two structural, shared pillars: the design system and the CMS foundation.
Breakdown of the structural items (2026 estimate):
| Shared item | Range | What it covers |
|---|---|---|
| Proprietary design system | EUR 15,000-40,000 | Components, tokens, docs, Figma kit |
| Shared CMS foundation | EUR 25,000-60,000 | Multi-tenant, roles, shared templates |
| Multilingual governance EN/DE | EUR 6,000-14,000 | Chains, translation, hreflang |
| Integrations (SSO, ERP, CRM) | EUR 8,000-25,000 | Depending on connectors |
These items are paid once for the whole group: that is where multi-site becomes profitable.
Per-subsidiary rollout and recurring cost
Once the foundation is in place, each subsidiary rolls out fast. Estimate:
| Item | Range | Basis |
|---|---|---|
| Per-subsidiary rollout | EUR 8,000-20,000 | Per subsidiary, on shared foundation |
| Content migration | EUR 30-80/page | Per subsidiary |
| Group maintenance | EUR 1,500-4,000/month | Support, evolutions, security |
| Shared EU hosting | EUR 400-1,200/month | EU data residency |
| Editor training | EUR 3,000-6,000 | All subsidiaries |
Example envelope: foundation EUR 55,000 + 4 subsidiaries at EUR 12,000 (EUR 48,000) + governance EUR 10,000 = EUR 113,000, maintenance ~EUR 2,800/month.
Mini case study
Philippe, CEO of a DACH B2B group (holding + 4 industrial subsidiaries), ran 5 heterogeneous sites on 3 different technologies, with 3 vendors and cumulative maintenance of EUR 5,500/month. The single-foundation redesign cost EUR 113,000 (design system EUR 40,000, CMS foundation EUR 55,000, governance EUR 10,000, 4 rollouts). New group maintenance: EUR 2,800/month, i.e. EUR 2,700/month saved (EUR 32,400/year). Payback on the redesign premium in ~3.5 years, with immediate brand consistency.
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FAQ
Why not simply rebuild each site separately?
Because you then pay 5 times for design, 5 times for the CMS and 5 maintenance contracts. The shared foundation absorbs those costs once: beyond 3 subsidiaries it is almost always more profitable, with guaranteed brand consistency.
How long does a multi-site redesign take?
4 to 8 months depending on subsidiary count: 6-8 weeks for the design system, 8-12 weeks for the CMS foundation, then 3-4 weeks per subsidiary in parallel. A dedicated project manager and agile sprints are essential.
What is a proprietary design system at EUR 15,000-40,000?
It is a library of reusable components, tokens (colours, spacing, typography), documentation and a Figma kit. It guarantees each subsidiary stays on brand while keeping room for expression.
Does EU data residency change the price?
Yes, it requires hosting and backups located in the EU, often 20 to 40% more expensive than a standard offer, but essential for a group's GDPR compliance. Budget EUR 400 to 1,200/month.
Can we launch subsidiary by subsidiary?
Yes, and it is recommended: deliver the foundation and a pilot subsidiary, validate, then roll out the rest. This smooths cash flow and reduces risk, without renegotiating the foundation.
Let's scope your project. Tell us the number of subsidiaries, the languages and your integrations (ERP, SSO): we scope a brick-by-brick quote, foundation + rollouts, between EUR 60,000 and 180,000. Detailed quote within 48 h. WhatsApp +221 77 596 93 33.
Mohamed Bah
Fondateur, Kolonell
Passionate about digital and entrepreneurship in Africa, Mohamed has been helping Sénégalese businesses with their digital transformation since 2020. Founder of Kolonell, he believes every SME deserves a professional and accessible online présence.
